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Changing visual attributes based on model attribute values? [message #76095]

Wed, 08 November 2006 19:29

Eclipse User

How can one change visual attributes (e.g. a connection's line pattern
between solid and dashed or its color) depending on the value of a
boolean or enumeration attribute in the model? E.g. I would like to
automatically toggle a connection's line pattern between solid and
dashed depending on a boolean flag "optional".

Is there a "declarative" way (i.e. via .gmfgraph and .gmfmap file) or is
there no other way than modifying the generated diagram code?

Michael

Re: Changing visual attributes based on model attribute values? [message #77766 is a reply to message #76095]

Wed, 15 November 2006 09:07

Eclipse User

Originally posted by: 5d5.mail.ru

There is no "declarative" way, sorry (((

Here is an outline:

1. When link edit part creates it's figure check model and set figure
style as needed.

2. Override handleNotificationEvent(...) method in link edit part and
detect boolean attribute update in model; set link figure style if needed.

Michael Moser wrote:
> How can one change visual attributes (e.g. a connection's line pattern
> between solid and dashed or its color) depending on the value of a
> boolean or enumeration attribute in the model? E.g. I would like to
> automatically toggle a connection's line pattern between solid and
> dashed depending on a boolean flag "optional".
>
> Is there a "declarative" way (i.e. via .gmfgraph and .gmfmap file) or is
> there no other way than modifying the generated diagram code?
>
> Michael
>
>

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